[(η³-C₃H₅)Mn(CO)₄] shows fluxional behavior. The 'H NMR spectrum of this compound when it is in the… · ABC26IN0255
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: CSIR NET 2015 · Marks: 2 · Difficulty: Hard
$\mathrm{[(\eta^{3}\text{-}C_3H_5)Mn(CO)_4]}$ shows fluxional behavior. The 'H NMR spectrum of this compound when it is in the non-fluxional state shows-
(a)one signal
(b)two signals in the intensity ratio of $4:1$
(c)three signals in the intensity ratio of $2: 2: 1$
(d)five signals of equal intensity.
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
A static η³-allyl has two syn H, two anti H and one central H — three signals 2 : 2 : 1 (c).